Last updated: August 21, 2025
In December, Hagatna Village, Guam, experiences warm tropical weather characterized by an average temperature of 27°C (82°F), with daily highs reaching 29°C (84°F) and lows dipping to 26°C (78°F). This month is marked by considerable humidity at 84%, creating a lush and vibrant atmosphere. However, visitors should prepare for substantial rainfall, as precipitation totals around 105 mm (4.1 in) over approximately 22 days. This combination of warmth and frequent showers contributes to Hagatna's rich natural beauty, making it a unique destination for those who appreciate a dynamic tropical climate.
As December settles in, Hagatna Village, Guam experiences a delightful tropical atmosphere, with temperatures ranging from a pleasant 26°C (79°F) at night to an inviting 29°C (84°F) during the day. This month maintains the island's signature warmth, featuring an average temperature of 27°C (81°F), which is consistent with the preceding months. Notably, December's climate is reminiscent of the early winter months, with a slight increase in evening temperatures compared to November. As the year's end approaches, visitors can enjoy balmy, sunny days perfect for leisure and outdoor activities, continuing the trend of warm, stable weather that characterizes Hagatna throughout the year.
In Hagatna Village, Guam, December marks a distinct shift in the weather pattern as the year approaches its end. With 105 mm (4.1 in) of precipitation over 22 days, the rainfall in December serves as a tapering off from the wettest months of the year. Notably, while the rainfall is significant, it’s a marked reduction from the peak levels seen in August and September, which both exceeded 400 mm. The year closes out with precipitation totals showing a more moderate trend, as the village experiences just under half of the July deluge, yet still maintains a consistent wet season feel compared to the drier months earlier in the year. As the landscape begins to settle from the intense summer rains, December's climate is a gentle reminder of the seasonal shifts that characterize this tropical paradise.
In Hagatna Village, Guam, December ushers in a notable spike in humidity, rising to 84%, which aligns with the overall trend of fluctuating moisture levels throughout the year. The humidity remains fairly consistent, hovering in the low 80s during most months, with January and February displaying slightly higher levels. The mid-year months, from June to August, experience a slight dip, stabilizing at 80%, but as December approaches, the air thickens once again, bringing a sense of tropical warmth. This increase not only signals the lingering essence of the wet season but also highlights the region's characteristic climate, making it a unique destination for those seeking a humid yet vibrant experience in the heart of the Pacific.
In Hagatna Village, Guam, the UV Index remains consistently high throughout the year, emphasizing the need for sun protection and awareness. Starting with a UV Index of 11 in December, the measurements gradually rise, peaking at 15 during March and April. Interestingly, this extreme exposure category persists, with a swift decline back to 11 by the year’s end. While the burn time remains a brief 10 minutes across all months, the persistent trend of elevated UV levels serves as a reminder that even during the festive season, precautions against sun exposure are essential. For detailed insights and safety tips, you can visit Hagatna Village UV Index.
UV Risk Categories
December in Hagatna Village, Guam, ushers in a wonderful blend of sunshine, with an average of 286 hours of sunshine illuminating the island. Following a year of fluctuating daylight, December stands as a notable moment as it slightly dips from the sunniest months of May (336 hours) and June (319 hours), yet remains vibrant compared to the cooler fall months. The overall trend showcases a gradual decrease in sunshine hours as the year winds down, creating a cozy atmosphere that invites both locals and visitors to revel in the warm, tropical charm of Guam, even as the days grow shorter. With its sunny disposition, December still offers ample opportunities for outdoor adventures and serene beach escapes under the radiant sky.
In Hagatna Village, Guam, the likelihood of sunny weather in December stands at 35%, reflecting a trend of variability throughout the year. As we transition from November's more promising 50% chance of sunshine, December's figures suggest a notable dip, yet still offer a sense of hope compared to the summer months, where sunshine rarely graces the sky—with chances plummeting to a mere 5% in August. While December isn't the sunniest month, it is a part of a pattern where the drier, sunnier months begin to emerge from the wetter, stormier spells earlier in the year, reinforcing that even during the cooler season, sun seekers may still catch glimpses of warmth amid the clouds.
In Hagatna Village, Guam, December brings 11 hours of daylight, aligning the month closely with both January and February. Throughout the year, daylight duration shows minimal fluctuation, with the longest stretch occurring from March to August at 12 hours. This consistency emphasizes Guam's tropical climate, where days remain relatively stable regardless of the season. As the year winds down, the return to 11 hours indicates a gradual shift towards the shorter days of winter, but still offers ample time to bask in the island's sun-drenched beauty.
As December arrives in Hagatna Village, Guam, a familiar shift in the breeze can be felt, with average wind speeds climbing back up to 8.0 m/s (18 mph). This re-energizing gust marks a notable increase from the calmer depths of summer, where winds dipped to a gentle 4.7 m/s (10 mph) in June. Following a steady rise since November's 7.2 m/s (16 mph), December's winds breathe life into the tropical air, paving the way for a vibrant holiday atmosphere. The consistent breezy conditions experienced this month reflect a seasonal pattern, highlighting the resilience of Guam's enchanting weather as it navigates through the year. As one welcomes the end of the year, the invigorating December winds in Hagatna pave the way for festive celebrations and island adventures alike.
Weather in Hagatna Village varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hagatna Village, focusing on differences in temperature, rainfall, humidity, and UV levels.
December generally experiences slightly warmer temperatures compared to January, with a minimum of 26°C (78°F) and a maximum of 29°C (84°F), while January sees a minimum of 25°C (77°F) and a maximum of 28°C (83°F). Precipitation is also notably higher in December, averaging 105 mm (4.1 in) over 22 days, whereas January has reduced precipitation at 61 mm (2.4 in) over 15 days. Humidity levels remain relatively consistent between the two months, with December at 84% and January slightly lower at 83%. For more detailed information, you can visit Hagatna Village weather in January.
December and February exhibit similar warm temperatures, with December having a slight edge in maximum temperature at 29°C (84°F) compared to February’s 28°C (83°F). Both months feature average temperatures around 27°C (80°F), but December experiences higher humidity at 84%, while February is slightly lower at 82%. In terms of precipitation, December receives more rainfall at 105 mm (4.1 in) over 22 days, contrasted with February's 77 mm (3.0 in) over 15 days. For more detailed insight into February weather, you can check out Hagatna Village weather in February.
In December, temperatures are warm with a minimum of 26°C (78°F) and an average of 27°C (82°F), peaking at a maximum of 29°C (84°F). The month is characterized by high humidity at 84% and significant rainfall, totaling 105 mm (4.1 in) over 22 days. In contrast, March experiences slightly cooler conditions, with temperatures ranging from a minimum of 25°C (77°F) to an average of 27°C (81°F), and a maximum of 28°C (83°F). Precipitation decreases to 53 mm (2.1 in), occurring over 15 days, while humidity remains unchanged at 84%. For more detailed information, visit Hagatna Village weather in March.
December and April share similar temperature profiles, with both months experiencing average highs of around 29°C (84°F) and lows close to 25-26°C (77-78°F). However, December typically sees more precipitation, with 105 mm (4.1 in) falling over 22 days, compared to April's 94 mm (3.7 in) across 18 days. Humidity levels remain consistent at 84% during both months, creating a tropical atmosphere. For more details on April weather, you can check Hagatna Village weather in April.
In December, temperatures range from a minimum of 26°C (78°F) to a maximum of 29°C (84°F), with an average temperature of 27°C (82°F). The month sees considerable precipitation, totaling 105 mm (4.1 in) over 22 days, contributing to a high humidity level of 84%. In contrast, May offers slightly more stable conditions, with temperatures remaining similar—minimum of 25°C (78°F), average of 28°C (82°F), and a maximum of 29°C (84°F). However, May experiences less rain, with 78 mm (3.1 in) of precipitation on 22 days, and slightly lower humidity at 83%. For a closer look at May's weather specifics, you can visit Hagatna Village weather in May.
In comparing the weather of December and June, we see that both months experience warm temperatures, with December having a slightly lower average temperature of 27°C (82°F) compared to June's 28°C (82°F). Both months also have maximum temperatures around 29°C (84°F in December and 85°F in June), illustrating a consistent warmth throughout the year. However, June tends to be wetter, with a notable increase in precipitation at 159 mm (6.3 in) compared to December's 105 mm (4.1 in), and both months see frequent rain, with December experiencing rainfall on 22 days and June on 23 days. The humidity is relatively similar, standing at 84% in December and 80% in June, providing a humid atmosphere year-round. For more detailed information, you can check Hagatna Village weather in June.
December and July in Hagatna present a warm and humid climate, though there are notable differences between the two months. December experiences slightly lower average temperatures, ranging from a minimum of 26°C to a maximum of 29°C, accompanied by high humidity at 84%. However, it also sees considerable rainfall, with 105 mm of precipitation over 22 days. In contrast, July maintains a similar temperature range but with a slightly higher average temperature of 28°C, while rainfall significantly increases to 276 mm over 30 days. The humidity remains relatively lower in July at 80%. For more detailed information about July weather, you can visit Hagatna Village weather in July.
When comparing the weather in December and August, both months maintain a warm tropical climate, but there are notable differences. December experiences slightly lower temperatures, with an average of 27°C (82°F) compared to August's average of 28°C (82°F). However, August sees significantly higher precipitation, with 405 mm (16.0 in) spread over 30 days, compared to December's 105 mm (4.1 in) over 22 days, making August the wetter month. Humidity levels are relatively close, with December at 84% and August at 80%. For a detailed look at Hagatna's climate during August, you can visit Hagatna Village weather in August.
In December, the weather is slightly cooler compared to September, with average temperatures ranging from a minimum of 26°C (78°F) to a maximum of 29°C (84°F). The month sees a total precipitation of 105 mm (4.1 in) over 22 days, contributing to a high humidity level of 84%. Conversely, September experiences higher temperatures, averaging between 25°C (77°F) and 30°C (86°F), along with significantly greater rainfall of 375 mm (14.8 in) across 28 days, while maintaining a humidity level of 81%. For more detailed insights, check out Hagatna Village weather in September.
In comparing the weather between December and October, both months exhibit warm temperatures, with December slightly cooler on average. December sees a minimum temperature of 26°C (78°F) and an average of 27°C (82°F), while October maintains a minimum of 25°C (78°F) and an average of 28°C (82°F). Precipitation levels differ significantly; October experiences a much higher rainfall of 356 mm (14.0 in) over 29 days, compared to December's 105 mm (4.1 in) over just 22 days. Additionally, December's humidity rises slightly to 84%, while October has a lower humidity level of 80%. For more detailed weather information, you can check Hagatna Village weather in October.
In comparing the weather between November and December, both months exhibit warm temperatures, with December maintaining a slightly lower average temperature of 27°C (82°F) compared to November’s 28°C (82°F). Interestingly, while the maximum temperatures remain consistent at 29°C (84°F) in both months, December experiences a decrease in precipitation, with 105 mm (4.1 in) falling over 22 days, compared to November's 202 mm (8.0 in) over 26 days. Additionally, December's humidity is slightly higher at 84%, compared to November's 81%. For more details on November weather specifics, you can visit Hagatna Village weather in November.
As December rolls into Hagatna Village, the weather paints a vivid picture of warmth and humidity. With temperatures averaging a comfortable 27°C (82°F), it presents a striking contrast to the cooler months that precede it. This time of year also heralds a wetter season, with significant rainfall occurring on nearly three-quarters of the days, which contributes to prominent humidity levels hovering around 84%. The increased precipitation creates a lush atmosphere, setting a perfect backdrop for holiday festivities. For those interested in a deeper dive into the climate trends of this tropical paradise, be sure to check out Hagatna Village Climate.